An individual who suffers from panic disorder might become anxious about climbing stairs, exercising, or being in hot rooms because these activities produce sensations similar to those accompanying a panic attack. in psychological terms, the exercise and hot rooms have become

I believe the answer is: conditioned stimuli

Conditioned stimuli refers to the things that becomes a trigger that cause a certain type of response after the process of classical conditioning ( in which the subject who previously see the trigger as neutral stimulus started to change its response after the netural stimulus is paired with unconditioned stimulus over and over again)

answer; /// the above statement is (true);